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An element has its electronic configurat...

An element has its electronic configuration as 2, 8, 2. Now anwswer the following questions :
What is the atomic number of this element ?

Text Solution

Verified by Experts

Electronic configuration of this element is (2, 8, 2)
`:.` The atomic number of this element is 12.
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Knowledge Check

  • Which of the following set has atomic numbers of only representative elements ?

    A
    2,10,17,35
    B
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    C
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    D
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  • What is the electronic configuration of the elements of group 14

    A
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    B
    `ns^2 np^6`
    C
    `ns^2 np^2`
    D
    `ns^2`

  • Electronic configuration of a transition element X in + 3 oxidation state is [Ar]3d^(5) . What is its atomic number ?

    A
    25
    B
    26
    C
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    D
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